Update referers.yml

Addition of extra Pinterest domains and TikTok.

Author: radxenon

resources/referers.yml

@@ -444,6 +444,14 @@ social:
       - pinterest.nz
       - pinterest.pt
       - pinterest.se
+      - pinterest.at
+      - pinterest.ch
+      - pinterest.com.mx
+      - pinterest.ie
+      - pinterest.it
+      - pinterest.ph
+      - pinterest.ru
+      - com.pinterest
 
   Plaxo:
     domains:
@@ -465,6 +473,10 @@ social:
     domains:
       - taringa.net
 
+  TikTok:
+    domains:
+      - tiktok.com
+
   Tumblr:
     domains:
       - tumblr.com